Investigations made by Aeronautics Branch of Department of Commerce; theory of engine mufflers and soundproofing of airplane cabins; advantage of low transmission when absorption is reasonably high. Indexed in Engineering Index 1930, p. 64, from Am. Soc. Mech. Engrs. -- Advance Paper, for mtg. May 19-22, 1930.
Quieting the airplane cabin
Commercial Standards Monthly
Commercial Standards Monthly ; 7 , n 3
1930
5 pages
Article (Journal)
English
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